.img-box {
    width: 100%;
    display: flex;
    flex-flow: wrap;
    .img-box-item {
        flex: 0 0 33.333%;
        height: 200px !important;
        padding: 5px;
        box-sizing: border-box;
        img {
            display: block;
            width: 100%;
            height: 100%;
        }
    }
}
